On Thu, 2007-11-22 at 00:52 +0000, Russell King - ARM Linux wrote:
> On Thu, Nov 22, 2007 at 12:34:09AM +0000, ian wrote:
> Unfortunately, this is broken as designed (in fact this whole file is.)
Fix attached below.
> (Not looked at the rest because you really really need to get this
> right first.)
Since this core handles all the resource management, this fix should
sort that for all three drivers.
Here goes then - pass three...
>From ac98fb6ac3d4c44b81347228d35bb5714f968e2e Mon Sep 17 00:00:00 2001
From: Ian Molton <[email protected]>
Date: Thu, 22 Nov 2007 10:48:47 +0000
Subject: [PATCH] Reuseable MFD core code suitable for multifunction
chips with
built in IRQ multiplexing and local RAM.
---
drivers/mfd/mfd-core.c | 104
++++++++++++++++++++++++++++++++++++++++++++++++
drivers/mfd/mfd-core.h | 26 ++++++++++++
include/linux/ioport.h | 3 +
3 files changed, 133 insertions(+), 0 deletions(-)
create mode 100644 drivers/mfd/mfd-core.c
create mode 100644 drivers/mfd/mfd-core.h
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
new file mode 100644
index 0000000..bff886e
--- /dev/null
+++ b/drivers/mfd/mfd-core.c
@@ -0,0 +1,104 @@
+/*
+ * drivers/mfd/mfd-core.c
+ *
+ * core MFD support
+ * Copyright (c) 2006 Ian Molton
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/ioport.h>
+#include <linux/slab.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include "mfd-core.h"
+
+void mfd_free_devices(struct platform_device **devices, int nr_devs)
+{
+ int i;
+
+ for (i = 0; i < nr_devs; i++) {
+ platform_device_unregister(*devices++);
+ }
+ kfree(devices);
+}
+EXPORT_SYMBOL_GPL(mfd_free_devices);
+
+#define SIGNED_SHIFT(val, shift) ((shift) >= 0 ? ((val) << (shift)) :
((val) >> -(shift)))
+
+struct platform_device **mfd_add_devices(struct platform_device *dev,
+ struct mfd_device_data *mfd,
+ int nr_devs,
+ struct resource *mem,
+ int relative_addr_shift, int irq_base)
+{
+ struct platform_device **devices;
+ int i, r, base;
+
+ devices = kzalloc(nr_devs * sizeof(struct platform_device*),
+ GFP_KERNEL);
+ if (!devices)
+ return NULL;
+
+ for (i = 0; i < nr_devs; i++) {
+ struct platform_device *sdev;
+ struct mfd_device_data *blk = &mfd[i];
+ struct resource *res;
+
+ if (!(sdev = platform_device_alloc (blk->name, -1)))
+ goto fail;
+
+ sdev->dev.parent = &dev->dev;
+ devices[i] = sdev;
+ platform_device_add_data (sdev, &(blk->hwconfig),
+ sizeof(void*));
+
+ /* Allocate space for the subdevice resources temporarily so
+ that we can modify them */
+
+ res = kzalloc(blk->num_resources * sizeof (struct
resource), GFP_KERNEL);
+ if (!res)
+ goto fail;
+
+ for (r = 0; r < blk->num_resources; r++) {
+ res[r].name = blk->res[r].name;
+
+ /* Find out base to use */
+ base = 0;
+ if (blk->res[r].flags & IORESOURCE_MEM) {
+ base = mem->start;
+ } else if ((blk->res[r].flags & IORESOURCE_IRQ) &&
+ (blk->res[r].flags & IORESOURCE_IRQ_MFD_SUBDEVICE)) {
+ base = irq_base;
+ }
+
+ /* Adjust resource */
+ if (blk->res[r].flags & IORESOURCE_MEM) {
+ res[r].parent = mem;
+ res[r].start = base + SIGNED_SHIFT(blk->res[r].start,
relative_addr_shift);
+ res[r].end = base + SIGNED_SHIFT(blk->res[r].end,
relative_addr_shift);
+ } else {
+ res[r].start = base + blk->res[r].start;
+ res[r].end = base + blk->res[r].end;
+ }
+ res[r].flags = blk->res[r].flags;
+ }
+ platform_device_add_resources(sdev, res, blk->num_resources);
+ kfree(res);
+
+ if (platform_device_add(sdev)) {
+ goto fail;
+ }
+
+ printk(KERN_INFO "MFD: registering %s\n", blk->name);
+ }
+ return devices;
+
+fail:
+ mfd_free_devices(devices, i + 1);
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(mfd_add_devices);
diff --git a/drivers/mfd/mfd-core.h b/drivers/mfd/mfd-core.h
new file mode 100644
index 0000000..8f9dd76
--- /dev/null
+++ b/drivers/mfd/mfd-core.h
@@ -0,0 +1,26 @@
+/*
+ * drivers/mfd/mfd-core.h
+ *
+ * core MFD support
+ * Copyright (c) 2006 Ian Molton
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+struct mfd_device_data {
+ char *name;
+ struct resource *res;
+ int num_resources;
+ void *hwconfig; /* platform_data to pass to the subdevice */
+};
+
+struct platform_device **mfd_add_devices(struct platform_device *dev,
+ struct mfd_device_data *mfd, int n_devs,
+ struct resource *mem,
+ int relative_addr_shift, int irq_base);
+
+void mfd_free_devices(struct platform_device **devices, int nr_devs);
+
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 6187a85..5e8360a 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -57,6 +57,9 @@ struct resource_list {
#define IORESOURCE_IRQ_LOWLEVEL (1<<3)
#define IORESOURCE_IRQ_SHAREABLE (1<<4)
+/* MFD device IRQ specific bits (IORESOURCE_BITS) */
+#define IORESOURCE_IRQ_MFD_SUBDEVICE (1<<5)
+
/* ISA PnP DMA specific bits (IORESOURCE_BITS) */
#define IORESOURCE_DMA_TYPE_MASK (3<<0)
#define IORESOURCE_DMA_8BIT (0<<0)
--
1.5.3.5.737.gdee1b
>From 0ff1dd5ecedd43794515c46f503abf606ea5ce12 Mon Sep 17 00:00:00 2001
From: Ian Molton <[email protected]>
Date: Thu, 22 Nov 2007 00:17:41 +0000
Subject: [PATCH] Preliminary support for Toshibas TMIO based
multifunction chips.
Includes support for:
* t7l66xb
* tc6387xb
* tc6393xb
---
drivers/mfd/Kconfig | 25 +++
drivers/mfd/Makefile | 3 +
drivers/mfd/t7l66xb.c | 286 +++++++++++++++++++++++++++++++++++
drivers/mfd/tc6387xb.c | 143 +++++++++++++++++
drivers/mfd/tc6393xb.c | 369
+++++++++++++++++++++++++++++++++++++++++++++
include/linux/t7l66xb.h | 56 +++++++
include/linux/tc6387xb.h | 34 ++++
include/linux/tc6393.h | 136 +++++++++++++++++
include/linux/tmio_mmc.h | 26 +++
include/linux/tmio_nand.h | 15 ++
include/linux/tmio_ohci.h | 15 ++
11 files changed, 1108 insertions(+), 0 deletions(-)
create mode 100644 drivers/mfd/t7l66xb.c
create mode 100644 drivers/mfd/tc6387xb.c
create mode 100644 drivers/mfd/tc6393xb.c
create mode 100644 include/linux/t7l66xb.h
create mode 100644 include/linux/tc6387xb.h
create mode 100644 include/linux/tc6393.h
create mode 100644 include/linux/tmio_mmc.h
create mode 100644 include/linux/tmio_nand.h
create mode 100644 include/linux/tmio_ohci.h
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 2571619..38edfdc 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -15,6 +15,31 @@ config MFD_SM501
interface. The device may be connected by PCI or local bus with
varying functions enabled.
+config MFD_T7L66XB
+ bool "Toshiba T7L66XB SoC support"
+ ---help---
+ This driver supports the T7L66XB, which incorporates SD/MMC, and
+ USB host functionality. associated subdevices are:
+ tmio_mmc
+ tmio_ohci
+
+config MFD_TC6387XB
+ bool "Toshiba TC6387XB SoC support"
+ ---help---
+ This driver supports the TC6393XB, which incorporates SD/MMC, NAND,
+ Video, and USB host functionality. associated subdevices are:
+ tmio_mmc
+
+config MFD_TC6393XB
+ bool "Toshiba TC6393XB SoC support"
+ ---help---
+ This driver supports the TC6393XB, which incorporates SD/MMC, NAND,
+ Video, and USB host functionality. associated subdevices are:
+ tmio_mmc
+ tmio_nand
+ tmio_fb
+ tmio_ohci
+
endmenu
menu "Multimedia Capabilities Port drivers"
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 5143209..5ae3877 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -3,6 +3,9 @@
#
obj-$(CONFIG_MFD_SM501) += sm501.o
+obj-$(CONFIG_MFD_T7L66XB) += t7l66xb.o mfd-core.o
+obj-$(CONFIG_MFD_TC6387XB) += tc6387xb.o mfd-core.o
+obj-$(CONFIG_MFD_TC6393XB) += tc6393xb.o mfd-core.o
obj-$(CONFIG_MCP) += mcp-core.o
obj-$(CONFIG_MCP_SA11X0) += mcp-sa11x0.o
diff --git a/drivers/mfd/t7l66xb.c b/drivers/mfd/t7l66xb.c
new file mode 100644
index 0000000..e3057f6
--- /dev/null
+++ b/drivers/mfd/t7l66xb.c
@@ -0,0 +1,286 @@
+/*
+ * drivers/mfd/t7l66xb.c
+ *
+ * Toshiba T7L66XB support
+ * Copyright (c) 2005 Ian Molton
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This is based on my and Dirk Opfers work on the tc6393xb SoC.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/ioport.h>
+#include <linux/irq.h>
+#include <linux/device.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/io.h>
+#include <asm/arch/pxa-regs.h>
+
+#include <linux/t7l66xb.h>
+#include <linux/tmio_mmc.h>
+#include "mfd-core.h"
+
+#define platform_get_platdata(_dev) ((_dev)->dev.platform_data)
+
+struct t7l66xb_data
+{
+ int irq_base, irq_nr;
+ void *mapbase;
+ struct platform_device **devices;
+ int ndevices;
+};
+
+struct tmio_ohci_hwconfig t7l66xb_ohci_hwconfig = {
+ .start = NULL,
+};
+
+static struct resource t7l66xb_mmc_resources[] = {
+ {
+ .name = "control",
+ .start = T7L66XB_MMC_CTL_BASE,
+ .end = T7L66XB_MMC_CTL_BASE + 0x1ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "config",
+ .start = T7L66XB_MMC_CNF_BASE,
+ .end = T7L66XB_MMC_CNF_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = T7L66XB_MMC_IRQ,
+ .end = T7L66XB_MMC_IRQ,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_MFD_SUBDEVICE,
+ },
+};
+
+static struct mfd_device_data t7l66xb_devices[] = {
+ {
+ .name = "tmio_mmc",
+ .res = t7l66xb_mmc_resources,
+ .num_resources = ARRAY_SIZE(t7l66xb_mmc_resources),
+ },
+};
+
+/* Handle the T7L66XB interrupt mux */
+static void t7l66xb_irq_handler(unsigned int irq, struct irq_desc
*desc)
+{
+ int req, i;
+ struct t7l66xb_data *data = get_irq_data(irq);
+
+ /* Acknowledge the parent IRQ */
+ desc->chip->ack(irq);
+
+ while ( (req = (readb(data->mapbase + T7L66XB_SYS_ISR)
+ & ~(readb(data->mapbase + T7L66XB_SYS_IMR)))) ) {
+ for (i = 0; i <= 7; i++) {
+ int dev_irq = data->irq_base + i;
+ struct irq_desc *d = NULL;
+ if ((req & (1<<i))) {
+ d = irq_desc + dev_irq;
+ d->handle_irq(dev_irq, d);
+ }
+ }
+ }
+}
+
+
+static void t7l66xb_mask_irq(unsigned int irq)
+{
+ struct t7l66xb_data *data = get_irq_chip_data(irq);
+
+ writeb(readb(data->mapbase + T7L66XB_SYS_IMR) | 1 << (irq -
data->irq_base), data->mapbase + T7L66XB_SYS_IMR);
+}
+
+static void t7l66xb_unmask_irq(unsigned int irq)
+{
+ struct t7l66xb_data *data = get_irq_chip_data(irq);
+
+ writeb(readb(data->mapbase + T7L66XB_SYS_IMR) & ~( 1 << (irq -
data->irq_base)),data->mapbase + T7L66XB_SYS_IMR);
+}
+
+static struct irq_chip t7l66xb_chip = {
+ .name = "t7l66xb",
+ .ack = t7l66xb_mask_irq,
+ .mask = t7l66xb_mask_irq,
+ .unmask = t7l66xb_unmask_irq,
+};
+
+/* Install the IRQ handler */
+static void t7l66xb_setup_irq(struct t7l66xb_data *tchip)
+{
+ int i;
+
+ for (i = 0; i < T7L66XB_NR_IRQS; i++) {
+ int irq = tchip->irq_base + i;
+ set_irq_chip (irq, &t7l66xb_chip);
+ set_irq_chip_data (irq, tchip);
+ set_irq_handler(irq, handle_level_irq);
+ set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+ }
+
+ set_irq_data (tchip->irq_nr, tchip);
+ set_irq_chained_handler (tchip->irq_nr, t7l66xb_irq_handler);
+ set_irq_type (tchip->irq_nr, IRQT_FALLING);
+}
+
+static void t7l66xb_hwinit(struct platform_device *dev)
+{
+ struct t7l66xb_platform_data *pdata = platform_get_platdata(dev);
+
+ if (pdata && pdata->hw_init)
+ pdata->hw_init();
+}
+
+
+#ifdef CONFIG_PM
+
+static int t7l66xb_suspend(struct platform_device *dev, pm_message_t
state)
+{
+ struct t7l66xb_platform_data *pdata = platform_get_platdata(dev);
+
+
+ if (pdata && pdata->suspend)
+ pdata->suspend();
+
+ return 0;
+}
+
+static int t7l66xb_resume(struct platform_device *dev)
+{
+ struct t7l66xb_platform_data *pdata = platform_get_platdata(dev);
+
+ if (pdata && pdata->resume)
+ pdata->resume();
+
+ t7l66xb_hwinit(dev);
+
+ return 0;
+}
+#endif
+
+static int t7l66xb_probe(struct platform_device *dev)
+{
+ struct t7l66xb_platform_data *pdata = dev->dev.platform_data;
+ unsigned long pbase = (unsigned long)dev->resource[0].start;
+ unsigned long plen = dev->resource[0].end - dev->resource[0].start;
+ int err = -ENOMEM;
+ struct t7l66xb_data *data;
+
+ data = kmalloc (sizeof (struct t7l66xb_data), GFP_KERNEL);
+ if (!data)
+ goto out;
+
+ data->irq_base = pdata->irq_base;
+ data->irq_nr = dev->resource[1].start;
+
+ if (!data->irq_base) {
+ printk("t7166xb: uninitialized irq_base!\n");
+ goto out_free_data;
+ }
+
+ data->mapbase = ioremap(pbase, plen);
+ if(!data->mapbase)
+ goto out_free_irqs;
+
+ platform_set_drvdata(dev, data);
+ t7l66xb_setup_irq(data);
+ t7l66xb_hwinit(dev);
+
+ /* Mask IRQs -- should we mask/unmask on suspend/resume? */
+ writew(0xbf, data->mapbase + T7L66XB_SYS_IMR);
+
+ printk(KERN_INFO "%s rev %d @ 0x%08lx using irq %d-%d on irq %d\n",
+ dev->name, readw(data->mapbase + T7L66XB_SYS_RIDR),
+ (unsigned long)data->mapbase, data->irq_base,
+ data->irq_base + T7L66XB_NR_IRQS - 1, data->irq_nr);
+
+ data->devices = mfd_add_devices(dev, t7l66xb_devices,
+ ARRAY_SIZE(t7l66xb_devices),
+ &dev->resource[0], 0, data->irq_base);
+
+ if(!data->devices){
+ printk(KERN_INFO "%s: Failed to allocate devices!\n",
+ dev->name);
+ goto out_free_devices;
+ }
+
+ return 0;
+
+out_free_devices:
+ mfd_free_devices(data->devices, ARRAY_SIZE(t7l66xb_devices));
+out_free_irqs:
+out_free_data:
+ kfree(data);
+out:
+ return err;
+}
+
+static int t7l66xb_remove(struct platform_device *dev)
+{
+ struct t7l66xb_data *tchip = platform_get_drvdata(dev);
+ int i;
+
+ /* Free subdevices */
+ mfd_free_devices(tchip->devices, ARRAY_SIZE(t7l66xb_devices));
+
+ /* Take down IRQ handling */
+ for (i = 0; i < T7L66XB_NR_IRQS; i++) {
+ int irq = i + tchip->irq_base;
+ set_irq_handler (irq, NULL);
+ set_irq_chip (irq, NULL);
+ set_irq_chip_data (irq, NULL);
+ }
+ set_irq_chained_handler (tchip->irq_nr, NULL);
+
+ /* Free core resources */
+ iounmap (tchip->mapbase);
+
+ return 0;
+}
+
+
+static struct platform_driver t7l66xb_platform_driver = {
+ .driver = {
+ .name = "t7l66xb",
+ },
+ .probe = t7l66xb_probe,
+ .remove = t7l66xb_remove,
+#ifdef CONFIG_PM
+ .suspend = t7l66xb_suspend,
+ .resume = t7l66xb_resume,
+#endif
+};
+
+
+static int __init t7l66xb_init(void)
+{
+ int retval = 0;
+
+ retval = platform_driver_register (&t7l66xb_platform_driver);
+ return retval;
+}
+
+static void __exit t7l66xb_exit(void)
+{
+ platform_driver_unregister(&t7l66xb_platform_driver);
+}
+
+module_init(t7l66xb_init);
+module_exit(t7l66xb_exit);
+
+MODULE_DESCRIPTION("Toshiba T7L66XB core driver");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Ian Molton and Dirk Opfer");
diff --git a/drivers/mfd/tc6387xb.c b/drivers/mfd/tc6387xb.c
new file mode 100644
index 0000000..d309b9f
--- /dev/null
+++ b/drivers/mfd/tc6387xb.c
@@ -0,0 +1,143 @@
+/*
+ * drivers/mfd/tc6387xb.c
+ *
+ * Toshiba TC6387XB support
+ * Copyright (c) 2005 Ian Molton
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/ioport.h>
+#include <linux/device.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+
+#include <linux/tmio_mmc.h>
+#include <linux/tc6387xb.h>
+#include "mfd-core.h"
+
+struct tc6387xb_data {
+ int irq;
+ struct tc6387xb_platform_data *platform;
+};
+
+static void tc6387xb_hwinit(struct platform_device *dev)
+{
+ struct tc6387xb_data *data = platform_get_drvdata(dev);
+
+ if (data && data->platform && data->platform->hw_init)
+ data->platform->hw_init();
+
+}
+
+#ifdef CONFIG_PM
+
+static int tc6387xb_suspend(struct platform_device *dev, pm_message_t
state)
+{
+ struct tc6387xb_data *data = platform_get_drvdata(dev);
+
+ if (data && data->platform && data->platform->suspend)
+ data->platform->suspend();
+
+ return 0;
+}
+
+static int tc6387xb_resume(struct platform_device *dev)
+{
+ struct tc6387xb_data *data = platform_get_drvdata(dev);
+
+ if (data && data->platform && data->platform->resume)
+ data->platform->resume();
+
+ return 0;
+}
+#endif
+
+static struct resource tc6387xb_mmc_resources[] = {
+ {
+ .name = "control",
+ .start = TC6387XB_MMC_CTL_BASE,
+ .end = TC6387XB_MMC_CTL_BASE + 0x1ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "config",
+ .start = TC6387XB_MMC_CNF_BASE,
+ .end = TC6387XB_MMC_CNF_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = TC6387XB_MMC_IRQ,
+ .end = TC6387XB_MMC_IRQ,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_MFD_SUBDEVICE,
+ },
+};
+
+static struct mfd_device_data tc6387xb_devices[] = {
+ {
+ .name = "tmio_mmc",
+ .res = tc6387xb_mmc_resources,
+ .num_resources = ARRAY_SIZE(tc6387xb_mmc_resources),
+ },
+};
+
+
+static int tc6387xb_probe(struct platform_device *pdev)
+{
+ struct tc6387xb_data *data;
+
+ data = kmalloc(sizeof(struct tc6387xb_data), GFP_KERNEL);
+ if(!data)
+ return -ENOMEM;
+
+ data->irq = pdev->resource[1].start;
+ data->platform = pdev->dev.platform_data;
+ platform_set_drvdata(pdev, data);
+
+ tc6387xb_hwinit(pdev);
+
+ mfd_add_devices(pdev, tc6387xb_devices, ARRAY_SIZE(tc6387xb_devices),
&pdev->resource[0], 0, data->irq);
+
+ /* Init finished. */
+ return 0;
+}
+
+static struct platform_driver tc6387xb_platform_driver = {
+ .driver = {
+ .name = "tc6387xb",
+ },
+ .probe = tc6387xb_probe,
+#ifdef CONFIG_PM
+ .suspend = tc6387xb_suspend,
+ .resume = tc6387xb_resume,
+#endif
+};
+
+
+static int __init tc6387xb_init(void)
+{
+ return platform_driver_register (&tc6387xb_platform_driver);
+}
+
+static void __exit tc6387xb_exit(void)
+{
+ platform_driver_unregister(&tc6387xb_platform_driver);
+}
+
+module_init(tc6387xb_init);
+module_exit(tc6387xb_exit);
+
+MODULE_DESCRIPTION("Toshiba TC6387XB core driver");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Ian Molton");
diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
new file mode 100644
index 0000000..3d43ce3
--- /dev/null
+++ b/drivers/mfd/tc6393xb.c
@@ -0,0 +1,369 @@
+/*
+ * drivers/mfd/tc6393xb.c
+ *
+ * Toshiba TC6393 support
+ * Copyright (c) 2005 Dirk Opfer
+ * Copyright (c) 2005 Ian Molton <[email protected]>
+ *
+ * Based on code written by Sharp/Lineo for 2.4 kernels
+ * Based on locomo.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/ioport.h>
+#include <linux/irq.h>
+#include <linux/device.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/io.h>
+#include <asm/arch/pxa-regs.h>
+
+#include <linux/tmio_mmc.h>
+#include <linux/tmio_nand.h>
+#include <linux/tmio_ohci.h>
+#include <linux/tc6393.h>
+#include "mfd-core.h"
+
+#define platform_get_platdata(_dev) ((_dev)->dev.platform_data)
+
+struct tc6393xb_data
+{
+ int irq_base, irq_nr;
+ void *mapbase;
+ struct platform_device **devices;
+ int ndevices;
+};
+
+/* Setup the TC6393XB NAND flash controllers configuration registers */
+static void tc6393xb_nand_hwinit(struct platform_device *sdev) {
+
+ struct tc6393xb_data *chip = platform_get_drvdata(sdev);
+
+ /* Sequence:
+ * SMD Buffer ON (gpio related)
+ * Enable the clock (SCRUNEN)
+ * Set the ctl reg base address
+ * Enable the ctl reg
+ * Configure power control (control bt PCNT[1,0] 4ms startup delay)
+ */
+ /* (89h) SMD Buffer ON By TC6393XB SystemConfig gpibfc1*/
+ writew(0xff, chip->mapbase + TC6393_SYS_GPIBCR1);
+
+}
+
+static struct tmio_nand_hwconfig tc6393xb_nand_hwconfig = {
+ .hwinit = tc6393xb_nand_hwinit,
+};
+
+static void tc6393xb_mmc_set_clock(struct platform_device *sdev, int
state) {
+ struct tc6393xb_data *chip = platform_get_drvdata(sdev);
+ unsigned char tmp;
+
+ if(state == MMC_CLOCK_ENABLED){
+ tmp = readw(chip->mapbase + TC6393_SYS_GPIBCR1);
+ writew(tmp | CK32KEN, chip->mapbase + TC6393_SYS_GPIBCR1);
+ }
+}
+
+static struct tmio_mmc_hwconfig tc6393xb_mmc_hwconfig = {
+ .set_mmc_clock = tc6393xb_mmc_set_clock,
+};
+
+static struct resource tc6393xb_mmc_resources[] = {
+ {
+ .name = "control",
+ .start = TC6393XB_MMC_CTL_BASE,
+ .end = TC6393XB_MMC_CTL_BASE + 0x1ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "config",
+ .start = TC6393XB_MMC_CNF_BASE,
+ .end = TC6393XB_MMC_CNF_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = TC6393XB_MMC_IRQ,
+ .end = TC6393XB_MMC_IRQ,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_MFD_SUBDEVICE,
+ },
+};
+
+static struct resource tc6393xb_nand_resources[] = {
+ {
+ .name = "control",
+ .start = TC6393XB_NAND_CTL_BASE,
+ .end = TC6393XB_NAND_CTL_BASE + 0x1ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "config",
+ .start = TC6393XB_NAND_CNF_BASE,
+ .end = TC6393XB_NAND_CNF_BASE + 0xff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct mfd_device_data tc6393xb_devices[] = {
+ {
+ .name = "tmio_mmc",
+ .res = tc6393xb_mmc_resources,
+ .num_resources = ARRAY_SIZE(tc6393xb_mmc_resources),
+ .hwconfig = &tc6393xb_mmc_hwconfig,
+ },
+ {
+ .name = "tmio-nand",
+ .res = tc6393xb_nand_resources,
+ .num_resources = ARRAY_SIZE(tc6393xb_nand_resources),
+ .hwconfig = &tc6393xb_nand_hwconfig,
+ },
+};
+
+/** TC6393 interrupt handling stuff.
+ * NOTE: TC6393 has a 1 to many mapping on all of its IRQs.
+ * that is, there is only one real hardware interrupt
+ * we determine which interrupt it is by reading some IO memory.
+ * We have two levels of expansion, first in the handler for the
+ * hardware interrupt we generate an interrupt
+ * IRQ_TC6393_*_BASE and those handlers generate more interrupts
+ *
+ */
+static void tc6393xb_irq_handler(unsigned int irq, struct irq_desc
*desc)
+{
+ int req, i;
+ struct tc6393xb_data *data = get_irq_data(irq);
+
+ /* Acknowledge the parent IRQ */
+ desc->chip->ack(irq);
+
+ while ( (req = (readb(data->mapbase + TC6393_SYS_ISR)
+ & ~(readb(data->mapbase + TC6393_SYS_IMR)))) ) {
+ for (i = 0; i <= 7; i++) {
+ int dev_irq = data->irq_base + i;
+ struct irq_desc *d = NULL;
+ if ((req & (1<<i))) {
+ if(i != 1) printk("IRQ! from %d\n", i);
+ d = irq_desc + dev_irq;
+ d->handle_irq(dev_irq, d);
+ }
+ }
+ }
+}
+
+static void tc6393xb_mask_irq(unsigned int irq)
+{
+ struct tc6393xb_data *tc6393 = get_irq_chip_data(irq);
+
+ writeb(readb(tc6393->mapbase + TC6393_SYS_IMR) | 1 << (irq -
tc6393->irq_base),tc6393->mapbase + TC6393_SYS_IMR);
+}
+
+static void tc6393xb_unmask_irq(unsigned int irq)
+{
+ struct tc6393xb_data *tc6393 = get_irq_chip_data(irq);
+
+ writeb(readb(tc6393->mapbase + TC6393_SYS_IMR) & ~( 1 << (irq -
tc6393->irq_base)),tc6393->mapbase + TC6393_SYS_IMR);
+}
+
+static struct irq_chip tc6393xb_chip = {
+ .ack = tc6393xb_mask_irq,
+ .mask = tc6393xb_mask_irq,
+ .unmask = tc6393xb_unmask_irq,
+};
+
+
+static void tc6393xb_setup_irq(struct tc6393xb_data *tchip)
+{
+ int i;
+
+ for (i = 0; i < TC6393XB_NR_IRQS; i++) {
+ int irq = tchip->irq_base + i;
+ set_irq_chip (irq, &tc6393xb_chip);
+ set_irq_chip_data (irq, tchip);
+ set_irq_handler(irq, handle_level_irq);
+ set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+ }
+
+ set_irq_data (tchip->irq_nr, tchip);
+ set_irq_chained_handler (tchip->irq_nr, tc6393xb_irq_handler);
+ set_irq_type (tchip->irq_nr, IRQT_FALLING);
+}
+
+void tc6393xb_hwinit(struct platform_device *dev)
+{
+ struct tc6393xb_platform_data *pdata = platform_get_platdata(dev);
+ struct tc6393xb_data *tchip = platform_get_drvdata(dev);
+
+ if(!pdata || !tchip){
+ BUG_ON("no driver data!\n");
+ return;
+ }
+
+ if (pdata->hw_init)
+ pdata->hw_init();
+
+ writew(0, tchip->mapbase + TC6393_SYS_FER);
+
+ /* Clock setting */
+ writew(pdata->sys_pll2cr, tchip->mapbase + TC6393_SYS_PLL2CR);
+ writew(pdata->sys_ccr, tchip->mapbase + TC6393_SYS_CCR);
+ writew(pdata->sys_mcr, tchip->mapbase + TC6393_SYS_MCR);
+
+ /* GPIO */
+ writew(pdata->sys_gper, tchip->mapbase + TC6393_SYS_GPER);
+ writew(pdata->sys_gpodsr1, tchip->mapbase + TC6393_SYS_GPODSR1);
+ writew(pdata->sys_gpooecr1, tchip->mapbase + TC6393_SYS_GPOOECR1);
+}
+
+
+#ifdef CONFIG_PM
+
+static int tc6393xb_suspend(struct platform_device *dev, pm_message_t
state)
+{
+ struct tc6393xb_platform_data *pdata = platform_get_platdata(dev);
+
+ if (pdata && pdata->suspend)
+ pdata->suspend();
+
+ return 0;
+}
+
+static int tc6393xb_resume(struct platform_device *dev)
+{
+ struct tc6393xb_platform_data *pdata = platform_get_platdata(dev);
+
+ if (pdata && pdata->resume)
+ pdata->resume();
+
+ tc6393xb_hwinit(dev);
+
+ return 0;
+}
+
+#endif
+
+static int tc6393xb_probe(struct platform_device *dev)
+{
+ struct tc6393xb_platform_data *pdata = dev->dev.platform_data;
+ unsigned long pbase = (unsigned long)dev->resource[0].start;
+ unsigned long plen = dev->resource[0].end - dev->resource[0].start;
+ int err = -ENOMEM;
+ struct tc6393xb_data *data;
+
+ data = kmalloc (sizeof (struct tc6393xb_data), GFP_KERNEL);
+ if (!data)
+ goto out;
+
+ data->irq_base = pdata->irq_base;
+ data->irq_nr = dev->resource[1].start;
+
+ if (!data->irq_base) {
+ printk("tc6393xb: uninitialized irq_base!\n");
+ goto out_free_data;
+ }
+
+ data->mapbase = ioremap(pbase, plen);
+ if(!data->mapbase)
+ goto out_free_irqs;
+
+ platform_set_drvdata(dev, data);
+ tc6393xb_setup_irq (data);
+ tc6393xb_hwinit(dev);
+
+ /* Enable (but mask!) our IRQs */
+ writew(0, data->mapbase + TC6393_SYS_IRR);
+ writew(0xbf, data->mapbase + TC6393_SYS_IMR);
+
+ printk(KERN_INFO "%s rev %d @ 0x%08lx using irq %d-%d on irq %d\n",
+ dev->name, readw(data->mapbase + TC6393_SYS_RIDR),
+ (unsigned long)data->mapbase, data->irq_base,
+ data->irq_base + TC6393XB_NR_IRQS - 1, data->irq_nr);
+
+ data->devices = mfd_add_devices(dev, tc6393xb_devices,
+ ARRAY_SIZE(tc6393xb_devices),
+ &dev->resource[0], 0, data->irq_base);
+
+ if(!data->devices) {
+ printk(KERN_INFO "%s: Failed to allocate devices!\n",
+ dev->name);
+ goto out_free_devices;
+ }
+
+ return 0;
+
+out_free_devices:
+ mfd_free_devices(data->devices, ARRAY_SIZE(tc6393xb_devices));
+out_free_irqs:
+out_free_data:
+ kfree(data);
+out:
+ return err;
+}
+
+static int tc6393xb_remove(struct platform_device *dev)
+{
+ struct tc6393xb_data *tchip = platform_get_drvdata(dev);
+ int i;
+
+ /* Free subdevices */
+ mfd_free_devices(tchip->devices, ARRAY_SIZE(tc6393xb_devices));
+
+ /* Take down IRQ handling */
+ for (i = 0; i < TC6393XB_NR_IRQS; i++) {
+ int irq = i + tchip->irq_base;
+ set_irq_handler (irq, NULL);
+ set_irq_chip (irq, NULL);
+ set_irq_chip_data (irq, NULL);
+ }
+
+ set_irq_chained_handler (tchip->irq_nr, NULL);
+
+ /* Free core resources */
+ iounmap (tchip->mapbase);
+
+ return 0;
+}
+
+
+static struct platform_driver tc6393xb_device_driver = {
+ .driver = {
+ .name = "tc6393xb",
+ },
+ .probe = tc6393xb_probe,
+ .remove = tc6393xb_remove,
+#ifdef CONFIG_PM
+ .suspend = tc6393xb_suspend,
+ .resume = tc6393xb_resume,
+#endif
+};
+
+
+static int __init tc6393xb_init(void)
+{
+ int retval = 0;
+ retval = platform_driver_register (&tc6393xb_device_driver);
+ return retval;
+}
+
+static void __exit tc6393xb_exit(void)
+{
+ platform_driver_unregister(&tc6393xb_device_driver);
+}
+
+module_init(tc6393xb_init);
+module_exit(tc6393xb_exit);
+
+MODULE_DESCRIPTION("Toshiba TC6393 core driver");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Dirk Opfer and Ian Molton");
diff --git a/include/linux/t7l66xb.h b/include/linux/t7l66xb.h
new file mode 100644
index 0000000..f2d013a
--- /dev/null
+++ b/include/linux/t7l66xb.h
@@ -0,0 +1,56 @@
+/*
+ *
+ * This file contains the definitions for the T7L66XB
+ *
+ * (C) Copyright 2005 Ian Molton <[email protected]>
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License. See linux/COPYING for more information.
+ *
+ */
+
+#include <linux/platform_device.h>
+
+
+/* FIXME - this needs to be a common struct to all TMIO based MFDs. */
+struct tmio_hwconfig {
+ void (*hwinit)(struct platform_device *sdev);
+ void (*suspend)(struct platform_device *sdev);
+ void (*resume)(struct platform_device *sdev);
+};
+
+struct tmio_ohci_hwconfig {
+ void (*start)(struct platform_device *dev);
+};
+
+struct t7l66xb_platform_data
+{
+ /* Standard MFD properties */
+ int irq_base;
+ struct platform_device **child_devs;
+ int num_child_devs;
+
+ void (* hw_init) (void);
+ void (* suspend) (void);
+ void (* resume) (void);
+};
+
+
+#define T7L66XB_NAND_CNF_BASE (0x000100)
+#define T7L66XB_NAND_CTL_BASE (0x001000)
+
+#define T7L66XB_MMC_CNF_BASE (0x000200)
+#define T7L66XB_MMC_CTL_BASE (0x000800)
+#define T7L66XB_MMC_IRQ (1)
+
+#define T7L66XB_USB_CNF_BASE (0x000300)
+#define T7L66XB_USB_CTL_BASE (0x002000)
+#define T7L66XB_OHCI_IRQ (0)
+
+/* System Configuration register */
+#define T7L66XB_SYS_RIDR 0x008 // Revision ID
+#define T7L66XB_SYS_ISR 0x0e1 // Interrupt Status
+#define T7L66XB_SYS_IMR 0x042 // Interrupt Mask
+
+#define T7L66XB_NR_IRQS 8
+
diff --git a/include/linux/tc6387xb.h b/include/linux/tc6387xb.h
new file mode 100644
index 0000000..99c01a3
--- /dev/null
+++ b/include/linux/tc6387xb.h
@@ -0,0 +1,34 @@
+/*
+ *
+ * (C) Copyright 2005 Ian Molton <[email protected]>
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License. See linux/COPYING for more information.
+ *
+ */
+
+#include <linux/platform_device.h>
+
+/* FIXME - this needs to be a common struct to all TMIO based MFDs. */
+struct tmio_hwconfig {
+ void (*hwinit)(struct platform_device *sdev);
+ void (*suspend)(struct platform_device *sdev);
+ void (*resume)(struct platform_device *sdev);
+};
+
+struct tc6387xb_platform_data
+{
+ /* Standard MFD properties */
+ int irq_base;
+ struct platform_device **child_devs;
+ int num_child_devs;
+
+ void (* hw_init) (void);
+ void (* suspend) (void);
+ void (* resume) (void);
+};
+
+#define TC6387XB_MMC_CNF_BASE (0x000200)
+#define TC6387XB_MMC_CTL_BASE (0x000800)
+#define TC6387XB_MMC_IRQ (0)
+
diff --git a/include/linux/tc6393.h b/include/linux/tc6393.h
new file mode 100644
index 0000000..99ecd42
--- /dev/null
+++ b/include/linux/tc6393.h
@@ -0,0 +1,136 @@
+/*
+ *
+ * (C) Copyright 2005 Dirk Opfer
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License. See linux/COPYING for more information.
+ *
+ */
+
+struct tc6393xb_platform_data
+{
+ /* Standard MFD properties */
+ int irq_base;
+ struct platform_device **child_devs;
+ int num_child_devs;
+
+ u16 sys_gper;
+ u16 sys_gpodsr1;
+ u16 sys_gpooecr1;
+ u16 sys_pll2cr;
+ u16 sys_ccr;
+ u16 sys_mcr;
+ void (* hw_init) (void);
+ void (* suspend) (void);
+ void (* resume) (void);
+};
+
+#define CK32KEN 0x1
+#define USBCLK 0x2
+
+/*
+ TC6393XB Resource Area Map (Offset)
+ System Configration Register Area 0x00000000 - 0x000000FF
+ NAND Flash Host Controller Register Area 0x00000100 - 0x000001FF
+ USB Host Controller Register Area 0x00000300 - 0x000003FF
+ LCD Host Controller Register Area 0x00000500 - 0x000005FF
+ NAND Flash Control Register 0x00001000 - 0x00001007
+ USB Control Register 0x00003000 - 0x000031FF
+ LCD Control Register 0x00005000 - 0x000051FF
+ Local Memory 0 (32KB) 0x00010000 - 0x00017FFF
+ Local Memory 0 (32KB) alias 0x00018000 - 0x0001FFFF
+ Local Memory 1 (1MB) 0x00100000 - 0x001FFFFF
+*/
+
+#define TC6393_SYS_BASE 0
+
+#define TC6393XB_NAND_CNF_BASE (TC6393_SYS_BASE + 0x000100)
+#define TC6393XB_NAND_CTL_BASE (TC6393_SYS_BASE + 0x001000)
+
+#define TC6393XB_MMC_CNF_BASE (TC6393_SYS_BASE + 0x000200)
+#define TC6393XB_MMC_CTL_BASE (TC6393_SYS_BASE + 0x000800)
+#define TC6393XB_MMC_IRQ (1)
+
+#define TC6393XB_USB_CNF_BASE (TC6393_SYS_BASE + 0x000300)
+#define TC6393XB_USB_CTL_BASE (TC6393_SYS_BASE + 0x000a00)
+#define TC6393XB_USB_IRQ (0)
+
+#define TC6393_SERIAL_CONF_BASE (TC6393_SYS_BASE + 0x000400)
+#define TC6393_GC_CONF_BASE (TC6393_SYS_BASE + 0x000500)
+#define TC6393_RAM0_BASE (TC6393_SYS_BASE + 0x010000)
+#define TC6393_RAM0_SIZE (32*1024)
+#define TC6393_RAM1_BASE (TC6393_SYS_BASE + 0x100000)
+#define TC6393_RAM1_SIZE (64 * 1024 * 16)
+
+
+/*
+ * Internal Local Memory use purpose
+ * RAM0 is used for USB
+ * RAM1 is used for GC
+ */
+/* Internal register mapping */
+#define TC6393_GC_INTERNAL_REG_BASE 0x000600 /* Length 0x200 */
+
+
+/* System Configuration register */
+#define TC6393_SYS_RIDR 0x008 // Revision ID
+#define TC6393_SYS_ISR 0x050 // Interrupt Status
+#define TC6393_SYS_IMR 0x052 // Interrupt Mask
+#define TC6393_SYS_IRR 0x054 // Interrupt Routing
+#define TC6393_SYS_GPER 0x060 // GP Enable
+#define TC6393_SYS_GPAIOEN 0x061 // GP Alternative Enable
+#define TC6393_SYS_GPISR1 0x064 // GPI Status 1
+#define TC6393_SYS_GPISR2 0x066 // GPI Status 2
+#define TC6393_SYS_GPIIMR1 0x068 // GPI INT Mask 1
+#define TC6393_SYS_GPIIMR2 0x06A // GPI INT Mask 2
+#define TC6393_SYS_GPIEDER1 0x06C // GPI Edge Detect Enable 1
+#define TC6393_SYS_GPIEDER2 0x06E // GPI Edge Detect Enable 2
+#define TC6393_SYS_GPILIR1 0x070 // GPI Level Invert 1
+#define TC6393_SYS_GPILIR2 0x072 // GPI Level Invert 2
+#define TC6393_SYS_GPODSR1 0x078 // GPO Data set 1
+#define TC6393_SYS_GPODSR2 0x07A // GPO Data set 2
+#define TC6393_SYS_GPOOECR1 0x07C // GPO Data OE Contorol 1
+#define TC6393_SYS_GPOOECR2 0x07E // GPO Data OE Contorol 2
+#define TC6393_SYS_GPIARCR1 0x080 // GP Internal Active Register
Contorol 1
+#define TC6393_SYS_GPIARCR2 0x082 // GP Internal Active Register
Contorol 2
+#define TC6393_SYS_GPIARLCR1 0x084 // GP Internal Active Register
Level Contorol 1
+#define TC6393_SYS_GPIARLCR2 0x086 // GP Internal Active Register
Level Contorol 2
+
+#define TC6393_SYS_GPIBCR1 0x089 // GPa Internal Activ Register
Contorol 1
+
+#define TC6393_SYS_GPIBCR2 0x08A // GPa Internal Activ Register
Contorol 2
+#define TC6393_SYS_GPaIARCR 0x08C
+#define TC6393_SYS_GPaIARLCR 0x090
+#define TC6393_SYS_GPaIBCR 0x094
+#define TC6393_SYS_CCR 0x098 /* Clock Control Register */
+#define TC6393_SYS_PLL2CR 0x09A // PLL2 Control
+#define TC6393_SYS_PLL1CR1 0x09C // PLL1 Control 1
+#define TC6393_SYS_PLL1CR2 0x09E // PLL1 Control 2
+#define TC6393_SYS_DCR 0x0A0
+#define TC6393_SYS_FER 0x0E0 /* Function Enable Register */
+#define TC6393_SYS_MCR 0x0E4
+#define TC6393_SYS_ConfigCR 0x0FC
+
+/* GPIO bit */
+#define TC6393_GPIO19 ( 1 << 19 )
+#define TC6393_GPIO18 ( 1 << 18 )
+#define TC6393_GPIO17 ( 1 << 17 )
+#define TC6393_GPIO16 ( 1 << 16 )
+#define TC6393_GPIO15 ( 1 << 15 )
+#define TC6393_GPIO14 ( 1 << 14 )
+#define TC6393_GPIO13 ( 1 << 13 )
+#define TC6393_GPIO12 ( 1 << 12 )
+#define TC6393_GPIO11 ( 1 << 11 )
+#define TC6393_GPIO10 ( 1 << 10 )
+#define TC6393_GPIO9 ( 1 << 9 )
+#define TC6393_GPIO8 ( 1 << 8 )
+#define TC6393_GPIO7 ( 1 << 7 )
+#define TC6393_GPIO6 ( 1 << 6 )
+#define TC6393_GPIO5 ( 1 << 5 )
+#define TC6393_GPIO4 ( 1 << 4 )
+#define TC6393_GPIO3 ( 1 << 3 )
+#define TC6393_GPIO2 ( 1 << 2 )
+#define TC6393_GPIO1 ( 1 << 1 )
+#define TC6393_GPIO0 ( 1 << 0 )
+
+#define TC6393XB_NR_IRQS 8
diff --git a/include/linux/tmio_mmc.h b/include/linux/tmio_mmc.h
new file mode 100644
index 0000000..00358bf
--- /dev/null
+++ b/include/linux/tmio_mmc.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2005 Ian Molton
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/platform_device.h>
+
+#define MMC_CLOCK_DISABLED 0
+#define MMC_CLOCK_ENABLED 1
+
+#define TMIO_WP_ALWAYS_RW ((void*)-1)
+
+struct tmio_mmc_hwconfig {
+ void (*hwinit)(struct platform_device *sdev);
+ void (*set_mmc_clock)(struct platform_device *sdev, int state);
+
+ /* NULL - use ASIC3 signal,
+ TMIO_WP_ALWAYS_RW - assume always R/W (e.g. miniSD)
+ otherwise - machine-specific handler */
+ int (*mmc_get_ro)(struct platform_device *pdev);
+ short address_shift;
+};
diff --git a/include/linux/tmio_nand.h b/include/linux/tmio_nand.h
new file mode 100644
index 0000000..e1b38eb
--- /dev/null
+++ b/include/linux/tmio_nand.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2005 Ian Molton
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+struct tmio_nand_hwconfig {
+ void (*hwinit)(struct platform_device *sdev);
+ void (*suspend)(struct platform_device *sdev);
+ void (*resume)(struct platform_device *sdev);
+};
+
diff --git a/include/linux/tmio_ohci.h b/include/linux/tmio_ohci.h
new file mode 100644
index 0000000..5d07083
--- /dev/null
+++ b/include/linux/tmio_ohci.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2005 Ian Molton
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+struct tmio_ohci_hwconfig {
+ void (*hwinit)(struct platform_device *sdev);
+ void (*suspend)(struct platform_device *sdev);
+ void (*resume)(struct platform_device *sdev);
+};
+
--
1.5.3.5.737.gdee1b
>From 9d9be4115972ae4c75d27c1a6b7aa1e3a840a98f Mon Sep 17 00:00:00 2001
From: Ian Molton <[email protected]>
Date: Thu, 22 Nov 2007 00:00:20 +0000
Subject: [PATCH] Add eseries platform support for the relevant TMIO
multifunction devices used.
---
arch/arm/mach-pxa/Makefile | 5 ++
arch/arm/mach-pxa/e330_tc6387xb.c | 98
+++++++++++++++++++++++++++++++++
arch/arm/mach-pxa/e400_t7l66xb.c | 107
++++++++++++++++++++++++++++++++++++
arch/arm/mach-pxa/e740_t7l66xb.c | 103
+++++++++++++++++++++++++++++++++++
arch/arm/mach-pxa/e750_tc6393xb.c | 109
+++++++++++++++++++++++++++++++++++++
5 files changed, 422 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-pxa/e330_tc6387xb.c
create mode 100644 arch/arm/mach-pxa/e400_t7l66xb.c
create mode 100644 arch/arm/mach-pxa/e740_t7l66xb.c
create mode 100644 arch/arm/mach-pxa/e750_tc6393xb.c
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index 2c50e9d..938cb2c 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -30,6 +30,11 @@ ifeq ($(CONFIG_MACH_ZYLONITE),y)
endif
obj-$(CONFIG_ARCH_PXA_ESERIES) += eseries.o
+obj-$(CONFIG_MACH_E330) += e330_tc6387xb.o
+obj-$(CONFIG_MACH_E740) += e740_t7l66xb.o
+obj-$(CONFIG_MACH_E750) += e750_tc6393xb.o
+obj-$(CONFIG_MACH_E400) += e400_t7l66xb.o
+obj-$(CONFIG_MACH_E800) += e750_tc6393xb.o
obj-$(CONFIG_MACH_ARMCORE) += cm-x270.o
diff --git a/arch/arm/mach-pxa/e330_tc6387xb.c
b/arch/arm/mach-pxa/e330_tc6387xb.c
new file mode 100644
index 0000000..9859de2
--- /dev/null
+++ b/arch/arm/mach-pxa/e330_tc6387xb.c
@@ -0,0 +1,98 @@
+/*
+ *
+ * Copyright (C) Ian Molton.
+ *
+ * This program is free software; you can redistribute it and/or
modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+
+#include <asm/mach-types.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/irq.h>
+
+#include <asm/arch/eseries-irq.h>
+#include <asm/arch/eseries-gpio.h>
+
+#include <linux/tc6387xb.h>
+
+static struct resource e330_tc6387xb_resources[] = {
+ [0] = {
+ .start = PXA_CS4_PHYS,
+ .end = PXA_CS4_PHYS + 0x1fffff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_GPIO(5),
+ .end = IRQ_GPIO(5),
+ .flags = IORESOURCE_IRQ,
+ },
+
+};
+
+/* FIXME - who should really be setting up the clock? bootloader or
kernel ? */
+static void e330_tc6387xb_hwinit(void) {
+ GPCR(45) = GPIO_bit(45); /* #SUSPEND low */
+ GPCR(19) = GPIO_bit(19); /* #PCLR low (reset)
*/
+ /* 33MHz is supplied from an Xtal on the e330 (I think) */
+ pxa_gpio_mode(GPIO12_32KHz_MD);
+ mdelay(10);
+ GPSR(45) = GPIO_bit(45); /* #SUSPEND high */
+ mdelay(10);
+ GPSR(19) = GPIO_bit(19); /* #PCLR high */
+ mdelay(10);
+}
+
+static void e330_tc6387xb_suspend(void) {
+ GPCR(45) = GPIO_bit(45); /* #SUSPEND low */
+ mdelay(10);
+#if 0
+ GPCR(19) = GPIO_bit(19); /* #PCLR low */
+#endif
+}
+
+static void e330_tc6387xb_resume(void) {
+ GPSR(45) = GPIO_bit(45); /* #SUSPEND high */
+ mdelay(10);
+}
+
+static struct tc6387xb_platform_data e330_tc6387xb_info = {
+ .hw_init = &e330_tc6387xb_hwinit,
+ .suspend = &e330_tc6387xb_suspend,
+ .resume = &e330_tc6387xb_resume,
+};
+
+static struct platform_device e330_tc6387xb_device = {
+ .name = "tc6387xb",
+ .id = -1,
+ .dev = {
+ .platform_data = &e330_tc6387xb_info,
+ },
+ .num_resources = ARRAY_SIZE(e330_tc6387xb_resources),
+ .resource = e330_tc6387xb_resources,
+};
+
+static int __init e330_tc6387xb_init(void)
+{
+ if(!machine_is_e330())
+ return -ENODEV;
+
+ platform_device_register(&e330_tc6387xb_device);
+ return 0;
+}
+
+module_init(e330_tc6387xb_init);
+
+MODULE_AUTHOR("Ian Molton <[email protected]>");
+MODULE_DESCRIPTION("e330 tc6387xb device support");
+MODULE_LICENSE("GPLv2");
+
+
diff --git a/arch/arm/mach-pxa/e400_t7l66xb.c
b/arch/arm/mach-pxa/e400_t7l66xb.c
new file mode 100644
index 0000000..5c77388
--- /dev/null
+++ b/arch/arm/mach-pxa/e400_t7l66xb.c
@@ -0,0 +1,107 @@
+/*
+ *
+ * Copyright (C) Ian Molton.
+ *
+ * This program is free software; you can redistribute it and/or
modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+
+#include <asm/mach-types.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/irq.h>
+
+#include <asm/arch/eseries-irq.h>
+#include <asm/arch/eseries-gpio.h>
+
+#include <linux/t7l66xb.h>
+
+/* FIXME - set properly when known */
+#define GPIO_E400_TMIO_IRQ GPIO_ESERIES_TMIO_IRQ
+
+static struct resource e400_t7l66xb_resources[] = {
+ [0] = {
+ .start = PXA_CS4_PHYS,
+ .end = PXA_CS4_PHYS + 0x1fffff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_GPIO(GPIO_E400_TMIO_IRQ),
+ .end = IRQ_GPIO(GPIO_E400_TMIO_IRQ),
+ .flags = IORESOURCE_IRQ,
+ },
+
+};
+
+/* FIXME - who should really be setting up the clock? bootloader or
kernel ? */
+static void e400_t7l66xb_hwinit(void) {
+ return;
+ GPCR(19) = GPIO_bit(19); /* #SUSPEND low */
+ GPCR(7) = GPIO_bit(7); /* #PCLR low (reset) */
+ pxa_gpio_mode(GPIO7_48MHz_MD);
+ pxa_gpio_mode(GPIO12_32KHz_MD);
+ mdelay(10);
+ GPSR(19) = GPIO_bit(19); /* #SUSPEND high */
+ mdelay(10);
+ GPSR(7) = GPIO_bit(7); /* #PCLR high */
+ mdelay(10);
+}
+
+static void e400_t7l66xb_suspend(void) {
+ return;
+ GPCR(19) = GPIO_bit(19); /* #SUSPEND low */
+ mdelay(10);
+ GPCR(7) = GPIO_bit(7); /* #PCLR low */
+
+#if 0
+ /* kill clock */
+ pxa_gpio_mode(GPIO7_48MHz_MD|GPIO_OUT);
+ GPSR0 = GPIO_bit(GPIO7_48MHz);
+#endif
+}
+
+static void e400_t7l66xb_resume(void) {
+ e400_t7l66xb_hwinit();
+}
+
+static struct t7l66xb_platform_data e400_t7l66xb_info = {
+ .irq_base = IRQ_BOARD_START,
+ .hw_init = &e400_t7l66xb_hwinit,
+ .suspend = &e400_t7l66xb_suspend,
+ .resume = &e400_t7l66xb_resume,
+};
+
+static struct platform_device e400_t7l66xb_device = {
+ .name = "t7l66xb",
+ .id = -1,
+ .dev = {
+ .platform_data = &e400_t7l66xb_info,
+ },
+ .num_resources = ARRAY_SIZE(e400_t7l66xb_resources),
+ .resource = e400_t7l66xb_resources,
+};
+
+static int __init e400_t7l66xb_init(void)
+{
+ if(!machine_is_e400())
+ return -ENODEV;
+
+ platform_device_register(&e400_t7l66xb_device);
+ return 0;
+}
+
+module_init(e400_t7l66xb_init);
+
+MODULE_AUTHOR("Ian Molton <[email protected]>");
+MODULE_DESCRIPTION("e400 t7l66xb device support");
+MODULE_LICENSE("GPLv2");
+
diff --git a/arch/arm/mach-pxa/e740_t7l66xb.c
b/arch/arm/mach-pxa/e740_t7l66xb.c
new file mode 100644
index 0000000..26d1252
--- /dev/null
+++ b/arch/arm/mach-pxa/e740_t7l66xb.c
@@ -0,0 +1,103 @@
+/*
+ *
+ * Copyright (C) Ian Molton.
+ *
+ * This program is free software; you can redistribute it and/or
modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+
+#include <asm/mach-types.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/irq.h>
+
+#include <asm/arch/eseries-irq.h>
+#include <asm/arch/eseries-gpio.h>
+
+#include <linux/t7l66xb.h>
+
+static struct resource e740_t7l66xb_resources[] = {
+ [0] = {
+ .start = PXA_CS4_PHYS,
+ .end = PXA_CS4_PHYS + 0x1fffff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_GPIO(GPIO_ESERIES_TMIO_IRQ),
+ .end = IRQ_GPIO(GPIO_ESERIES_TMIO_IRQ),
+ .flags = IORESOURCE_IRQ,
+ },
+
+};
+
+/* FIXME - who should really be setting up the clock? bootloader or
kernel ? */
+static void e740_t7l66xb_hwinit(void) {
+
+ GPCR(19) = GPIO_bit(19); /* #SUSPEND low */
+ GPCR(7) = GPIO_bit(7); /* #PCLR low (reset) */
+ pxa_gpio_mode(GPIO7_48MHz_MD);
+ pxa_gpio_mode(GPIO12_32KHz_MD);
+ mdelay(10);
+ GPSR(19) = GPIO_bit(19); /* #SUSPEND high */
+ mdelay(10);
+ GPSR(7) = GPIO_bit(7); /* #PCLR high */
+ mdelay(10);
+}
+
+static void e740_t7l66xb_suspend(void) {
+ GPCR(19) = GPIO_bit(19); /* #SUSPEND low */
+ mdelay(10);
+ GPCR(7) = GPIO_bit(7); /* #PCLR low */
+
+#if 0
+ /* kill clock */
+ pxa_gpio_mode(GPIO7_48MHz_MD|GPIO_OUT);
+ GPSR0 = GPIO_bit(GPIO7_48MHz);
+#endif
+}
+
+static void e740_t7l66xb_resume(void) {
+ e740_t7l66xb_hwinit();
+}
+
+static struct t7l66xb_platform_data e740_t7l66xb_info = {
+ .irq_base = IRQ_BOARD_START,
+ .hw_init = &e740_t7l66xb_hwinit,
+ .suspend = &e740_t7l66xb_suspend,
+ .resume = &e740_t7l66xb_resume,
+};
+
+static struct platform_device e740_t7l66xb_device = {
+ .name = "t7l66xb",
+ .id = -1,
+ .dev = {
+ .platform_data = &e740_t7l66xb_info,
+ },
+ .num_resources = ARRAY_SIZE(e740_t7l66xb_resources),
+ .resource = e740_t7l66xb_resources,
+};
+
+static int __init e740_t7l66xb_init(void)
+{
+ if(!machine_is_e740())
+ return -ENODEV;
+
+ platform_device_register(&e740_t7l66xb_device);
+ return 0;
+}
+
+module_init(e740_t7l66xb_init);
+
+MODULE_AUTHOR("Ian Molton <[email protected]>");
+MODULE_DESCRIPTION("e740 t7l66xb device support");
+MODULE_LICENSE("GPLv2");
+
+
diff --git a/arch/arm/mach-pxa/e750_tc6393xb.c
b/arch/arm/mach-pxa/e750_tc6393xb.c
new file mode 100644
index 0000000..c204e2f
--- /dev/null
+++ b/arch/arm/mach-pxa/e750_tc6393xb.c
@@ -0,0 +1,109 @@
+/*
+ *
+ * Copyright (C) Ian Molton.
+ *
+ * This program is free software; you can redistribute it and/or
modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-types.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/irq.h>
+
+#include <asm/arch/eseries-irq.h>
+#include <asm/arch/eseries-gpio.h>
+
+#include <linux/tc6393.h>
+
+static struct resource e750_tc6393xb_resources[] = {
+ [0] = {
+ .start = PXA_CS4_PHYS,
+ .end = PXA_CS4_PHYS + 0x1fffff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_GPIO(GPIO_ESERIES_TMIO_IRQ),
+ .end = IRQ_GPIO(GPIO_ESERIES_TMIO_IRQ),
+ .flags = IORESOURCE_IRQ,
+ },
+
+};
+
+/* FIXME - who should really be setting up the clock? bootloader or
kernel ? */
+static void e750_tc6393xb_hwinit(void) {
+ pxa_gpio_mode(GPIO11_3_6MHz_MD);
+
+ GPCR(45) = GPIO_bit(45); /* #SUSPEND low */
+ GPCR(19) = GPIO_bit(19); /* #PCLR low (reset) */
+ mdelay(1);
+ GPSR(45) = GPIO_bit(45); /* #SUSPEND high */
+ mdelay(10); /* FIXME - probably 1000x too long */
+ GPSR(19) = GPIO_bit(19); /* #PCLR high */
+}
+
+static void e750_tc6393xb_suspend(void) {
+ GPSR(45) = GPIO_bit(45); /* #SUSPEND high */
+ mdelay(10);
+ GPSR(19) = GPIO_bit(19); /* #PCLR high */
+
+ pxa_gpio_mode(GPIO11_3_6MHz_MD|GPIO_OUT);
+ GPSR0 = GPIO_bit(GPIO11_3_6MHz);
+}
+
+/*
+MCR : 80aa
+CCR: 1310
+PLL2CR: 0c01
+PLL1CR1: f743
+PLL1CR2: 00f2
+SYS_DCR: 1033
+*/
+
+static struct tc6393xb_platform_data e750_tc6393xb_info = {
+ .irq_base = IRQ_BOARD_START,
+ .sys_pll2cr = 0x0cc1,
+ .sys_ccr = 0x1310,
+ .sys_mcr = 0x80aa,
+ .sys_gper = 0,
+ .sys_gpodsr1 = 0,
+ .sys_gpooecr1 = 0,
+ .hw_init = &e750_tc6393xb_hwinit,
+ .suspend = &e750_tc6393xb_suspend,
+};
+
+static struct platform_device e750_tc6393xb_device = {
+ .name = "tc6393xb",
+ .id = -1,
+ .dev = {
+ .platform_data = &e750_tc6393xb_info,
+ },
+ .num_resources = ARRAY_SIZE(e750_tc6393xb_resources),
+ .resource = e750_tc6393xb_resources,
+};
+
+static int __init e750_tc6393xb_init(void)
+{
+ if(!(machine_is_e750() || machine_is_e800()))
+ return -ENODEV;
+
+ platform_device_register(&e750_tc6393xb_device);
+ return 0;
+}
+
+module_init(e750_tc6393xb_init);
+
+MODULE_AUTHOR("Ian Molton <[email protected]>");
+MODULE_DESCRIPTION("e740 tc6393 device support");
+MODULE_LICENSE("GPLv2");
+
+
--
1.5.3.5.737.gdee1b
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